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MY116923A - Device for reading from or writing to optical recording media. - Google Patents

Device for reading from or writing to optical recording media.

Info

Publication number
MY116923A
MY116923A MYPI97003052A MYPI9703052A MY116923A MY 116923 A MY116923 A MY 116923A MY PI97003052 A MYPI97003052 A MY PI97003052A MY PI9703052 A MYPI9703052 A MY PI9703052A MY 116923 A MY116923 A MY 116923A
Authority
MY
Malaysia
Prior art keywords
optical recording
reading
writing
recording media
recording carriers
Prior art date
Application number
MYPI97003052A
Other languages
English (en)
Inventor
Christian Buechler
Original Assignee
Thomson Brandt Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of MY116923A publication Critical patent/MY116923A/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0906—Differential phase difference systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
MYPI97003052A 1996-07-06 1997-07-04 Device for reading from or writing to optical recording media. MY116923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19627383A DE19627383A1 (de) 1996-07-06 1996-07-06 Gerät zum Lesen oder Beschreiben optischer Aufzeichnungsträger

Publications (1)

Publication Number Publication Date
MY116923A true MY116923A (en) 2004-04-30

Family

ID=7799183

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI97003052A MY116923A (en) 1996-07-06 1997-07-04 Device for reading from or writing to optical recording media.

Country Status (11)

Country Link
US (1) US6266303B1 (zh)
EP (1) EP0939954B1 (zh)
JP (1) JP3981979B2 (zh)
CN (1) CN1118054C (zh)
AU (1) AU720368B2 (zh)
CA (1) CA2259580C (zh)
DE (2) DE19627383A1 (zh)
ID (1) ID17641A (zh)
MY (1) MY116923A (zh)
TW (1) TW359813B (zh)
WO (1) WO1998001855A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19723542A1 (de) * 1997-06-05 1998-12-10 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP3544847B2 (ja) * 1998-01-16 2004-07-21 三菱電機株式会社 光学的情報再生方法および装置
DE19852291A1 (de) * 1998-11-13 2000-05-18 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
KR100906472B1 (ko) * 2002-05-21 2009-07-08 삼성전자주식회사 다중 검출기를 이용한 광기록매체 데이터 재생 장치
JP2004259384A (ja) * 2003-02-26 2004-09-16 Toshiba Corp 光ディスク装置のトラッキング誤差検出装置
CN100545919C (zh) * 2003-10-30 2009-09-30 汤姆森特许公司 微分相位探测器
EP1735782B1 (en) * 2004-04-14 2008-05-14 THOMSON Licensing Arrangement for obtaining a track wobble signal
CN100463054C (zh) * 2004-04-14 2009-02-18 汤姆森许可贸易公司 获取轨道摆动信号的设备
DE102004032127A1 (de) * 2004-07-01 2006-01-19 Deutsche Thomson-Brandt Gmbh Anordnung zur Gewinnung eines Spurwobbelsignals
DE102004019692A1 (de) * 2004-04-20 2005-11-10 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung für das Spurzählen bei optischen Aufzeichnungsträgern
JP4811512B2 (ja) * 2009-10-14 2011-11-09 Ｔｄｋ株式会社 光学ドライブ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57181433A (en) * 1981-04-22 1982-11-08 Olympus Optical Co Ltd Tracking system for optical disc reproducer
JPH063648B2 (ja) * 1986-01-16 1994-01-12 松下電器産業株式会社 光学的情報再生装置
JPS63131334A (ja) * 1986-11-20 1988-06-03 Matsushita Electric Ind Co Ltd 光学的情報再生装置
NL8703001A (nl) * 1986-12-11 1988-07-01 Pioneer Electronic Corp Een volgfoutsignaalgenerator.
JPH02108244A (ja) * 1988-10-17 1990-04-20 Matsushita Electric Ind Co Ltd 光学的情報再生装置
JPH02108245A (ja) * 1988-10-17 1990-04-20 Matsushita Electric Ind Co Ltd 光学的情報再生装置
JP2751480B2 (ja) * 1989-10-31 1998-05-18 松下電器産業株式会社 光学式情報再生装置
JP3144923B2 (ja) 1992-11-04 2001-03-12 株式会社ブリヂストン 空気入りタイヤ
US5740141A (en) * 1993-03-09 1998-04-14 Matsushita Electric Industrial Co., Ltd. Signal processing device for an optical information reproducing apparatus
US5696752A (en) * 1996-01-16 1997-12-09 Eastman Kodak Company Low noise atip detection from an optical recording medium with wobbled grooves

Also Published As

Publication number Publication date
AU3343197A (en) 1998-02-02
JP3981979B2 (ja) 2007-09-26
CN1118054C (zh) 2003-08-13
DE19627383A1 (de) 1998-01-08
EP0939954A1 (de) 1999-09-08
CN1225187A (zh) 1999-08-04
US6266303B1 (en) 2001-07-24
ID17641A (id) 1998-01-15
TW359813B (en) 1999-06-01
HK1020383A1 (zh) 2000-04-14
WO1998001855A1 (de) 1998-01-15
AU720368B2 (en) 2000-06-01
DE59705588D1 (de) 2002-01-10
CA2259580A1 (en) 1998-01-15
CA2259580C (en) 2005-09-27
EP0939954B1 (de) 2001-11-28
JP2000514231A (ja) 2000-10-24

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